Bump guzzlehttp/psr7 from 1.8.3 to 1.8.4

Bumps [guzzlehttp/psr7](https://github.com/guzzle/psr7) from 1.8.3 to 1.8.4.
- [Release notes](https://github.com/guzzle/psr7/releases)
- [Changelog](https://github.com/guzzle/psr7/blob/1.8.4/CHANGELOG.md)
- [Commits](https://github.com/guzzle/psr7/compare/1.8.3...1.8.4)

---
updated-dependencies:
- dependency-name: guzzlehttp/psr7
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.lock

@@ -748,16 +748,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.8.3",
+            "version": "1.8.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "1afdd860a2566ed3c2b0b4a3de6e23434a79ec85"
+                "reference": "902db15a551a4a415e732b622282e21ce1b508b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/1afdd860a2566ed3c2b0b4a3de6e23434a79ec85",
-                "reference": "1afdd860a2566ed3c2b0b4a3de6e23434a79ec85",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/902db15a551a4a415e732b622282e21ce1b508b4",
+                "reference": "902db15a551a4a415e732b622282e21ce1b508b4",
                 "shasum": ""
             },
             "require": {
@@ -838,7 +838,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/1.8.3"
+                "source": "https://github.com/guzzle/psr7/tree/1.8.4"
             },
             "funding": [
                 {
@@ -854,7 +854,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-10-05T13:56:00+00:00"
+            "time": "2022-03-20T13:44:44+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",